Old Poison Ring Fancy Metalwork Coral Sz 7

Older poison ring, opens and closes securely, tested sterling, old patina, we have not polished this at all, top has fancy silver work designs and 6 small and one large stones believed to be coral. Ring is a size 7 on our measuring stick and is in very good condition. Top of ring measures 7/8 inches across with a 1/2 inch tall dome.